1
by Heinrich, Elkedagmar, Janetzko, Hans-Dieter
Published 1995
Vieweg+Teubner Verlag

2
by Heinrich, Elkedagmar, Janetzko, Hans-Dieter
Published 1996
Vieweg+Teubner Verlag

3
by Heinrich, Elke Dagmar, Janetzko, Hans-Dieter
Published 1994
Vieweg+Teubner Verlag